When things are busy, the fees to send stuff might also go up. Call -１ー８６６ー(７１９)ー５７１４ If your fee is too low, it can fail . Sometimes ???????????????????????????????? or the blockchain just has a hiccup that causes stuff to fail. https://www.historycouncilvic.org.au/fakkujekku883/why_is_my_transaction_failing_in